Home / 19,389.49-26,757.50-10,891.62

Finding the Fourth Proportional to 19,389.49, 26,757.50 and 10,891.62

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Solution

The fourth proportional to 19,389.49, 26,757.50 and 10,891.62 is: 15,030.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.49 : 26,757.50 = 10,891.62 : x
  2. Step 2: Convert to fraction form
    19,389.49/26,757.50 = 10,891.62/x
  3. Step 3: Cross multiply
    19,389.49x = 26,757.50 × 10,891.62
  4. Step 4: Simplify right side
    19,389.49x = 291,432,522.15
  5. Step 5: Solve for x
    x = 291,432,522.15/19,389.49
  6. Step 6: Final answer
    x = 15,030.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.